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NATHAN. LAWRENCE, OF TAUNTON, MASSACHUSETTS, ASSIGNORfTO REED AND BARTON, OF SAME PLACE.

Letters Patent No. 76,639, dated April 14, 1868'. i

IMPROVED BUTTER-DISH. Y

T0 ALL PERSONS TO WHOM THESEPRESENTSMAY COME:

Be it known that I, NATHAN LAWRENCE, of Taunton, of the county of Bristol, and State of Massachusetts, have made an invention of a new and useful Improvement in Butter-Dishes having rotary covers; and'I do hereby declare the same to be fully described in the following specification, and represented in the accompanying drawings, 4of Which- Figure l is a top view of a. butter-dish with its cover' down, such d-ish being provided with my improvements.

Figure 2 is a longitudinal section, and

Figure 3 a transverse section of it.

Figure 4 is a transverse section taken through oneofthe spring-clasps or latches for supporting the boxes or bearings of thejournals'of the rotary cover. y

The butter-dish on which my present invention -is an improvement, is described in Letters Patent, No. 71,889, granted December 10, 1 867, to Reed and Barton, assignees of myself, the inventorof the subjectofsuch patent.

The boxes of th`e journals ofthe cover of the'said butter-dish were held in their; socliets by means of pins, extending through -them and the sockets, and connected to the dish by means oi' chains.

These pins are very liable to become detached from -the vase or dish, and lost. The purpose, therefore, of

my present improvement is to avoid the employment of such pins, and to use in lieu of them spring-latchemto support the box or bearing, clasp it on its opposite sides, and latch upon and held it-donn or in place under ordinary circumstances. These latches admit ofthe easy removal of the boxes'from them, but hold, them with more than sufficient tenacity to enable the whole. dish, with Whatever it may contain, to be readily lifted by its handles when the cover is up. v

In the drawings, A'denotes the vase, having a semi-ellipsoidal body, a, containing a semi-ellipsoidal con-A centric cup, B, the tivol being connected at their edges by a portion, b, of an annulus. A strainer, s, for supporting the butter, is placed within the cup B. The dish has four feet, c, projecting down from it, and it also has two furcated brackets, mm, extended from it, as represented, such brackets being for support of a knife to` be used for cutting the butter.

The rotary cover, C, ofthe dish or vase is provided with two journals, l d, extending in opposite directions from it, and in the longer -axis of it. Each oi' the journals terminates in across-head 'or handle, e, and runs through a box or bearing,f, which entirely encompasses thejournal. y

Each of these bearings, when in place, is supported between and by two spring-latches, gg, projecting from an ear, 7i, and formed'in manner as represented in figs. 1 and 4. The latches, while holding the bearings in place with suiiicicnt friction under ordinarycircumstance-s, (that is, the coveringand uncovering the vase, or

lifting it by the handles ofthe cover and transferring it from place to pla-ce when the cover is up or out of the' vase,) should be capable of yielding so as to enable the bearings to be raised from between them, (the said latches,) in order to allow oi' the removal ofthe cover from the vase i'or the purpose of cleaning either or both.

A friction-spring, Z, placed in a chamber, made in the cross-head of vthe journal, bears against the end of the box or bearing, and, by so doing, serves to retain the cover inl any position, whether it beieither wholly or partially over the vase.

I do not claim, for supporting and holding the cover, journalboxes i-n place, inflexible soclicts 'and pins to go through them and the boxes, such .being as represented and described in my patent as hereinbefore mentioned; but i I claim the combination and arrangement of the spring-latches gg njith the vase, and for the purpose of receiving and holding the bearings or boxes of' the journals of` thc cover, and admitting of their removal, in manner substantially as specified.

NATHAN LAWRENCE.

Witnesses:

WILLIAM W. SWAN, G. BnABnoox. 

